package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.mapper.CategoryMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {
    @Autowired
    private CategoryMapper categoryMapper;

    @Override
    public void save(CategoryDTO categoryDTO){
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);
        category.setStatus(StatusConstant.DISABLE);
        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        Long currentId= BaseContext.getCurrentId();
        category.setCreateUser(currentId);
        category.setUpdateUser(currentId);
        categoryMapper.insert(category);
    }
    @Override
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO){
        PageHelper.startPage(categoryPageQueryDTO.getPage(),categoryPageQueryDTO.getPageSize());
        Page<Category> page=categoryMapper.pageQuery(categoryPageQueryDTO);
        Long total=page.getTotal();
        List<Category> records=page.getResult();
        return new PageResult(total,records);
    }
    @Override
    public void deleteById(Long id){
        //判断分类有无关联菜品，有则抛出异常
        //判断分类有无关联套餐，有则抛出异常
        categoryMapper.deleteById(id);
    }
    @Override
    public void update(CategoryDTO categoryDTO){
        Category category=new Category();
        BeanUtils.copyProperties(categoryDTO,category);
        category.setUpdateTime(LocalDateTime.now());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.update(category);
    }
    @Override
    public void startOrStop(Integer status,Long id){
        Category category=Category.builder()
                .status(status)
                .id(id)
                .build();
        categoryMapper.update(category);
    }
    @Override
    public List<Category> list(Integer type){
        List<Category> list=categoryMapper.list(type);
        return list;
    }
}
